High volume low pressure back pack reservoir



FIG. 1 is a perspective view of the high volume low pressure back pack reservoir showing my new design;

FIG. 2 is a front view of the back pack reservoir, the back view being a mirror image thereof;

FIG. 3 is a bottom view of the back pack reservoir;

FIG. 4 is a top view of the back pack reservoir;

FIG. 5 is a left side view of the back pack reservoir; and,

FIG. 6 is a right side view of the back pack reservoir. 

The ornamental design for the high volume low pressure back pack reservoir, as shown and described. 